Browsing Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering by Subject "X ray diffraction"
Now showing items 21-38 of 38
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Article
Nanostructural studies of PVD TiAlB coatings
(2006)TiAlB coatings with different compositions were deposited by co-sputtering from TiAl and TiB2 targets onto AISI316 stainless steel substrates at a temperature of 170 °C. The stoichiometry and nanostructure have been studied ...
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Article
The nanostructure, wear and corrosion performance of arc-evaporated CrBxNy nanocomposite coatings
(2009)The composition, nanostructure, tribological and corrosion behaviour of reactive arc evaporated CrBxNy coatings have been studied and compared to CrN. The CrBxNy coatings were deposited on a commercial Oerlikon Balzers RCS ...
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Article
The nitridation of ZnO nanowires
(2012)ZnO nanowires (NWs) with diameters of 50 to 250 nm and lengths of several micrometres have been grown by reactive vapour transport via the reaction of Zn with oxygen on 1 nm Au/Si(001) at 550°C under an inert flow of Ar. ...
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Article
Novel combustion synthesis of carbon foam‑aluminum fluoride nanocomposite materials
(2018)The facile, rapid and bulk production of composite materials consisting of carbon nanostructures doped with metal-based compounds has been a significant challenge for various research areas where such types of materials ...
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Article
Picosecond ultrafast pulsed laser deposition of SrTiO3
(2015)SrTiO3 particle-composed films were grown on Si substrates via picosecond ultrafast pulsed laser deposition. We have investigated the effect of laser pulse repetition rate (0.2-8.2 MHz) and fluence (0.079-1.57 J cm-2) on ...
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Article
Pulsed laser deposition of highly textured La 5Ca 9Cu 24O 41 films on SrLaAlO 4 (1 0 0) and Gd 3Ga 5O 12 (1 0 0) substrates
(2012)The growth of La 5Ca 9Cu 24O 41 thin films on SrLaAlO 4 (1 0 0) and Gd 3Ga 5O 12 (1 0 0) substrates by pulsed laser deposition is reported in this paper. The influence of deposition process parameters, such as oxygen ...
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Article
Room temperature synthesis and high temperature frictional study of silver vanadate nanorods
(2010)We report the room temperature (RT) synthesis of silver vanadate nanorods (consisting of mainly β-AgVO3) by a simple wet chemical route and their frictional study at high temperatures (HT). The sudden mixing of ammonium ...
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Article
Solid-state synthesis and thermoelectric properties of Sb-doped Mg 2Si materials
(2013)Sb-doped magnesium silicide compounds have been prepared through ball milling and solid-state reaction. Materials produced were near-stoichiometric. The structural modifications have been studied with powder x-ray diffraction. ...
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Article
Solid-state synthesis of Mg 2Si via short-duration ball-milling and low-temperature annealing
(2013)In this work, a short duration ball-milling of elemental Mg and Si followed by a thermal treatment is suggested in order to synthesize magnesium silicide via solid-state reaction. The formation of magnesium silicide was ...
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Article
Solvothermal synthesis, nanostructural characterization and gas cryo-adsorption studies in a metal–organic framework (IRMOF-1) material
(2017)A nanoporous metal–organic framework material, exhibiting an IRMOF-1 type crystalline structure, was prepared by following a direct solvothermal synthesis approach, using zinc nitrate and terephthalic acid as precursors ...
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Article
Spark ignitable ball milled powders of Al and Ni at NiAl composition
(2014)Low-energy ball milling of aluminum and nickel particles with an overall composition corresponding to the NiAl intermetallic phase was performed up to milling durations of 13 h. The milled powders and cold-compacted pellets ...
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Article
Structural features of ball-milled nanostructured K2Bi 8Se13 thermoelectric material
(2011)In this work, K2Bi8Se13 material was ball-milled in order to develop nanostructures through the modification of structural features. Structural changes during ball-milling were followed by powder X-ray diffraction measurements, ...
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Article
Synthesis and characterization of water-dispersible, superparamagnetic single-wall carbon nanotubes decorated with iron oxide nanoparticles and well-defined chelating diblock copolymers
(2011)A novel approach for the fabrication of magneto-active carbon nanotubes (CNTs) stabilized in aqueous media, involving the combination of carboxylated single-wall carbon nanotubes (SWCNTs) with a new class of methacrylate-based ...
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Article
A systematic study of the nitridation of SnO 2 nanowires grown by the vapor liquid solid mechanism
(2012)SnO 2 nanowires (NWs) with diameters of 50 nm and lengths ≥10 μm have been grown at 800 °C on 1.0 nm Au/Si(001) via the vapor liquid solid mechanism and the low pressure chemical vapor deposition. These exhibited clear ...
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Article
Textured VN coatings with Ag3VO4 solid lubricant reservoirs
(2011)Silver oxovanadate powders were produced using a low temperature hydrothermal synthesis method. X-ray diffraction (XRD) and Raman microscopy revealed the formation of the α-Ag3VO4 phase, and differential scanning calorimetry ...
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Article
Thermal and chemical stability of hexagonal boron nitride (h-BN) nanoplatelets
(2015)High-temperature properties of boron nitride platelets (200-800 nm in width and 30-50 nm in thickness) were systematically evaluated through thermogravimetric analysis (TGA) in combination with differential scanning ...
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Article
Thermoelectric properties of nanocrystalline PbTe synthesized by mechanical alloying
(2010)In this work, nanocrystalline lead telluride powder was synthesized from high-purity elements by mechanical alloying by means of a planetary ball-milling procedure. The milling medium was tungsten carbide, and the diameter ...
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Conference Object
Tribological behavior of CrN and Al-Cr-N coatings
(Affiliation: Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United StatesAffiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 1678, Nicosia, CyprusCorrespondence Address: Demas, N. G.Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States, 2009)The tribological behavior of CrN and Al-Cr-N coatings prepared by twin electron-beam evaporation at 450°C was investigated. The composition, structure, mechanical and tribological properties of the coatings were determined ...